Columbia, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.3 °C (low) to 24.8 °C (high). Annual precipitation averages 1482.1 Millimeters. Columbia is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.3 °C | 13.8 °C | 146.81 mm |
| February | 3.7 °C | 16.3 °C | 127.51 mm |
| March | 7.7 °C | 20.7 °C | 135.13 mm |
| April | 11.7 °C | 24.8 °C | 157.73 mm |
| May | 16.8 °C | 29.1 °C | 123.19 mm |
| June | 20.7 °C | 32.4 °C | 117.6 mm |
| July | 22.3 °C | 33.9 °C | 112.01 mm |
| August | 21.7 °C | 34.1 °C | 92.71 mm |
| September | 18.4 °C | 31.3 °C | 93.22 mm |
| October | 11.9 °C | 26.2 °C | 106.93 mm |
| November | 6.6 °C | 19.8 °C | 127.51 mm |
| December | 3.2 °C | 15.3 °C | 141.73 mm |
| Annual | 12.3 °C | 24.8 °C | 1482.08 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |